A device for trimming injection molded products

Abstract

The utility model discloses an injection molding product trimming device, comprising two vertical plates which can be relatively moved and arranged in parallel, a support shaft and a rotating shaft are penetrated on the tops of the two vertical plates, one end of the rotating shaft is connected to the output shaft of a motor; a first trimming mechanism and a second trimming mechanism are respectively arranged on the side edges of the tops of the two vertical plates, the first trimming mechanism and the second trimming mechanism can both be moved relative to the vertical plates, and the first trimming mechanism trims the outer side surface of the injection molding product, and the second trimming mechanism trims the inner side surface of the injection molding product, the support shaft and the rotating shaft are respectively penetrated by the first trimming mechanism and the second trimming mechanism; the utility model is provided with the first trimming mechanism and the second trimming mechanism, which are respectively fitted with the inner and outer side surfaces of the injection molding product, and the injection molding product is forced to rotate relative to the trimming mechanism under the control of the motor, thereby realizing the grinding and trimming treatment of the injection molding product, changing the current situation that the existing device clamps the injection molding product and needs to manually clean the injection molding product.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding product trimming, in particular to an injection molding product trimming device. Background Art

[0002] Products processed by injection molding equipment are mainly formed by cooling the molten raw materials in the injection mold. There are gaps between the parts of the injection mold, and there are also gaps between the contact surfaces of the male and female molds. Therefore, there are often burrs on the edges of injection molded products. Therefore, before the injection molded products are put on the market, they need to be trimmed.

[0003] At present, there are many devices for trimming injection molded products. For example, a Chinese patent with patent publication number CN217454628U discloses an injection molded part edge trimming device, which includes a base, and a first support rod and a second support rod are fixedly installed at both ends above the base, and the first support rod and the second support rod are arranged parallel to each other; a first clamping assembly and a second clamping assembly for clamping the injection molded part are fixedly installed above the first support rod and the second support rod respectively; a fixing plate is arranged on the inner side of the first clamping assembly and the second clamping assembly; a clamping bolt is arranged on the fixing plate. When in use, the injection molded part to be trimmed is first placed between the first clamping assembly and the second clamping assembly, and the injection molded part is clamped and fixed by the fixing plate and the clamping bolt, and then the staff uses a handheld grinder to trim the outer edge part of the injection molded part. This trimming method does not require manual handholding of the injection molded part.

[0004] The device provided by the above patent can help workers to limit the position of injection molded products so that they can use tools to trim the injection molded products. However, due to the extremely high efficiency of injection molding, the number of injection molded products manufactured in one day is very large. If all the trimming of injection molded products is done manually, not only will the labor intensity of the workers be high, but the trimming efficiency of the injection molded products will not be compatible with the molding production of the injection molded products. Utility Model Content

[0005] The utility model aims to provide an injection molding product trimming device, aiming to improve the problems of low efficiency and high labor intensity in manual trimming of injection molding products.

[0006] The utility model is implemented as follows: an injection molding product trimming device comprises two vertical plates which can be relatively moved and arranged in parallel, a support shaft and a rotating shaft are penetrated through the tops of the two vertical plates, one end of the rotating shaft is connected to the output shaft of the motor; a first trimming mechanism and a second trimming mechanism are respectively arranged on the side edges of the tops of the two vertical plates, the first trimming mechanism and the second trimming mechanism can both be moved relative to the vertical plates, and the first trimming mechanism trims the outer side surface of the injection molding product, and the second trimming mechanism trims the inner side surface of the injection molding product, and the support shaft and the rotating shaft are respectively penetrated through the first trimming mechanism and the second trimming mechanism.

[0007] Preferably, the lower ends of the two vertical plates are provided with through holes, and support plates are arranged through the through holes. A bottom plate is connected between the two support plates, and a double-headed motor is arranged above the bottom plate. The two output ends of the double-headed motor are respectively connected to threaded rods, and the threads of the threaded rods are arranged through the vertical plates.

[0008] Preferably, the first finishing mechanism comprises a first annular plate and a first grinder, a first support plate is arranged on a side of the first annular plate, a connecting rod is arranged on a side of the first grinder, and the connecting rod is connected to the first support plate.

[0009] Preferably, a limiting rod and a first adjusting screw are arranged on the top of a certain vertical plate, a limiting hole and a threaded hole are arranged on the first annular plate, the limiting rod passes through the limiting hole, and the first adjusting screw thread passes through the threaded hole.

[0010] Preferably, the second finishing mechanism comprises a finishing device and a second grinder, the finishing device comprises a second annular plate, a second support plate is fixedly provided on a side edge of the second annular plate, and the second grinder is connected to the second support plate.

[0011] Preferably, a fixed arc plate and a clamping arc plate are provided on the side of the second annular plate away from the second grinder. The clamping arc plate is connected to the fixed arc plate by bolts. A driving column is provided between the clamping arc plate and the fixed arc plate. The driving column is sleeved on the support shaft.

[0012] Preferably, a sliding hole is provided on the support shaft, a second adjusting screw is provided inside the sliding hole, and the second adjusting screw thread penetrates through the middle of the driving column; an end plate is provided at the end of the support shaft through a bearing connecting sleeve.

[0013] Preferably, an insert plate is fixedly provided on the second support plate, a convex plate is fixedly provided on the second annular plate, a slot is provided on the side of the convex plate, and the end of the insert plate is inserted into the slot; a motor is provided on the side of the second support plate, a threaded column is provided on the output shaft of the motor, and the thread of the threaded column passes through the convex plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model is provided with a first trimming mechanism and a second trimming mechanism, which are respectively fitted with the inner and outer sides of the injection molded product, and the injection molded product is forced to rotate relative to the trimming mechanism under the control of a motor, thereby achieving a grinding and trimming process for the injection molded product, thereby changing the current situation where the existing device clamps the injection molded product and requires manual cleaning of the injection molded product.

[0016] The utility model is provided with a rotating shaft, which cooperates with a supporting shaft to clamp the injection molded product and stably place it, and controls the rotating shaft to drive the injection molded product to rotate at a high speed under the operation of a motor, thereby providing support for realizing the trimming of the injection molded product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0018] Figure 2 It is a three-dimensional structural diagram of the vertical plate and the bottom plate of the utility model;

[0019] Figure 3 It is a three-dimensional structural diagram of the first trimming mechanism of the utility model;

[0020] Figure 4 It is a three-dimensional structural diagram of the first annular plate and the vertical plate of the utility model;

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the second trimming mechanism of the utility model;

[0022] Figure 6 It is a three-dimensional structural diagram of the support shaft of the utility model;

[0023] Figure 7 It is a three-dimensional structural schematic diagram of the trimming device of the utility model;

[0024] Figure 8 It is a three-dimensional structural schematic diagram of the support plate and the annular plate of the utility model;

[0025] Fig. 9 It is a structural schematic diagram of the grinder and the injection molding product of the utility model.

[0026] In the figure: 1. vertical plate; 11. limiting rod; 12. first adjusting screw; 13. bottom plate; 14. supporting plate; 15. threaded rod; 16. through hole; 17. rotating shaft; 2. first finishing mechanism; 21. first annular plate; 22. limiting hole; 23. threaded hole; 24. first support plate; 25. first grinder; 26. connecting rod; 3. second finishing mechanism; 4. supporting shaft; 41. sliding hole; 42. second adjusting screw; 43. end plate; 5. finishing device; 51. second annular plate; 52. fixed arc plate; 53. second support plate; 54. clamping arc plate; 55. driving column; 56. threaded column; 57. insert plate; 58. slot; 59. convex plate; 6. second grinder. DETAILED DESCRIPTION

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The following is a further description with reference to the accompanying drawings and specific embodiments: Example

[0029] like Figure 1 , Figure 2 As shown, an injection molded product trimming device includes two parallel vertical plates 1, the lower ends of the two vertical plates 1 are each provided with a through hole 16, and a support plate 14 is penetrated at each of the through holes 16. A bottom plate 13 is connected between the two support plates 14, and a double-headed motor is arranged above the bottom plate 13. The two output ends of the double-headed motor are respectively connected to threaded rods 15, and the threaded rods 15 are threadedly penetrated by the vertical plates 1. When the double-headed motor is working, the vertical plates 1 can be controlled to move relative to the support plates 14, so as to facilitate the placement of the injection molded product between the two vertical plates 1.

[0030] As shown in the figure, in order to stably place the injection molded product between the two vertical boards 1, the upper ends of the two vertical boards 1 are respectively penetrated by a support shaft 4 and a rotating shaft 17, the support shaft 4 and the rotating shaft 17 are located on the same straight line, the support shaft 4 is fixedly connected to the vertical board 1, and an end plate 43 is provided at the end of the support shaft 4 through a bearing connection sleeve, and the rotating shaft 17 is connected to penetrate the other vertical board 1 through a bearing connection, and at the same time, the end of the rotating shaft 17 away from the support shaft 4 is connected to the motor through a transmission belt. When the two vertical boards 1 are away from each other, the injection molded product is sleeved on the end of the support shaft 4. When the two vertical boards 1 are close to each other, the rotating shaft 17 and the end plate 43 can be controlled to approach each other and clamp the end wall of the injection molded product, so that the injection molded product can be stably placed between the two vertical boards 1. When the motor drives the rotating shaft 17 to rotate, it also drives the injection molded product to rotate around the center line of the support shaft 4, providing support for polishing the injection molded product.

[0031] like Figure 1 , Figure 3As shown, in order to complete the grinding of the outer side of the injection molded product, a first trimming mechanism 2 is arranged on the outer side of the rotating shaft 17, and the first trimming mechanism 2 includes a first annular plate 21 and a first grinder 25. A first support plate 24 is arranged on the side of the first annular plate 21, and a connecting rod 26 is arranged on the side of the first grinder 25. The connecting rod 26 is connected to the first support plate 24. When the injection molded product is stably placed, the position of the first annular plate 21 is adjusted so that the first grinder 25 is placed in contact with the outer side of the injection molded product. During the high-speed rotation of the injection molded product, the first grinder 25 slides relative to the first grinder 25, thereby achieving the trimming of the injection molded product. The first grinder 25 can be replaced according to the shape of the injection molded product, and the structure of the first grinder 25 is adapted to the injection molded product.

[0032] like Figure 2 , Figure 4 As shown, in order to adjust the position of the first trimming mechanism 2, a limiting rod 11 and a first adjusting screw 12 are arranged on the top of a certain vertical plate 1, and a limiting hole 22 and a threaded hole 23 are arranged on the first annular plate 21. The limiting rod 11 passes through the limiting hole 22, and the first adjusting screw 12 threadedly passes through the threaded hole 23. With the cooperation of the limiting rod 11 and the first adjusting screw 12, the first annular plate 21 can be stably placed relative to the vertical plate 1. By rotating the first adjusting screw 12, the first annular plate 21 can be controlled to move relative to the vertical plate 1, so that the first grinder 25 is placed to fit the injection molded product.

[0033] like Figure 1 , Figure 5 , Figure 7 As shown, in order to complete the grinding of the inner side of the injection molded product, a second trimming mechanism 3 is arranged on the outer side of the support shaft 4, and the second trimming mechanism 3 includes a trimming device 5 and a second grinder 6. The trimming device 5 includes a second annular plate 51, and a second support plate 53 is fixedly arranged on the side of the second annular plate 51. The second grinder 6 is connected to the second support plate 53. When the injection molded product is stably placed, the position of the second annular plate 51 is adjusted so that the second grinder 6 is placed in contact with the inner side of the injection molded product. During the high-speed rotation of the injection molded product, the second grinder 6 slides relative to the second grinder 6 to achieve the trimming of the injection molded product. The second grinder 6 can be replaced according to the shape of the injection molded product, and the structure of the second grinder 6 is adapted to the injection molded product. The structure of the grinder can be produced with reference to the injection molded product in actual production.

[0034] like Figure 6 , Figure 7As shown, in order to adjust the position of the second finishing mechanism 3, a fixed arc plate 52 and a clamping arc plate 54 are provided on the side of the second annular plate 51 away from the second grinder 6. The clamping arc plate 54 is connected and arranged on the fixed arc plate 52 by bolts. A driving column 55 is provided between the clamping arc plate 54 and the fixed arc plate 52. The driving column 55 is arranged in an annular structure, and an internal threaded tube is fixedly arranged on the inner side. A sliding hole 41 is provided on the support shaft 4, and a second adjusting screw 42 is provided on the inner side of the sliding hole 41. The driving column 55 is sleeved on the support shaft 4. The second adjusting screw 42 threadably penetrates the internal threaded tube. When the second adjusting screw 42 is rotated, the second annular plate 51 can be controlled to move relative to the support shaft 4, so that the second grinder 6 is placed in close contact with the injection molded product. Example

[0035] like Figure 1 , Figure 2 As shown, an injection molded product trimming device includes two parallel vertical plates 1, the lower ends of the two vertical plates 1 are each provided with a through hole 16, and a support plate 14 is penetrated at each of the through holes 16. A bottom plate 13 is connected between the two support plates 14, and a double-headed motor is arranged above the bottom plate 13. The two output ends of the double-headed motor are respectively connected to threaded rods 15, and the threaded rods 15 are threadedly penetrated by the vertical plates 1. When the double-headed motor is working, the vertical plates 1 can be controlled to move relative to the support plates 14, so as to facilitate the placement of the injection molded product between the two vertical plates 1.

[0036] As shown in the figure, in order to stably place the injection molded product between the two vertical boards 1, the upper ends of the two vertical boards 1 are respectively penetrated by a support shaft 4 and a rotating shaft 17, the support shaft 4 and the rotating shaft 17 are located on the same straight line, the support shaft 4 is fixedly connected to the vertical board 1, and an end plate 43 is provided at the end of the support shaft 4 through a bearing connection sleeve, and the rotating shaft 17 is connected to penetrate the other vertical board 1 through a bearing connection, and at the same time, the end of the rotating shaft 17 away from the support shaft 4 is connected to the motor through a transmission belt. When the two vertical boards 1 are away from each other, the injection molded product is sleeved on the end of the support shaft 4. When the two vertical boards 1 are close to each other, the rotating shaft 17 and the end plate 43 can be controlled to approach each other and clamp the end wall of the injection molded product, so that the injection molded product can be stably placed between the two vertical boards 1. When the motor drives the rotating shaft 17 to rotate, it also drives the injection molded product to rotate around the center line of the support shaft 4, providing support for polishing the injection molded product.

[0037] like Figure 1 , Figure 3As shown, in order to complete the grinding of the outer side of the injection molded product, a first trimming mechanism 2 is arranged on the outer side of the rotating shaft 17, and the first trimming mechanism 2 includes a first annular plate 21 and a first grinder 25. A first support plate 24 is arranged on the side of the first annular plate 21, and a connecting rod 26 is arranged on the side of the first grinder 25. The connecting rod 26 is connected to the first support plate 24. When the injection molded product is stably placed, the position of the first annular plate 21 is adjusted so that the first grinder 25 is placed in contact with the outer side of the injection molded product. During the high-speed rotation of the injection molded product, the first grinder 25 slides relative to the first grinder 25, thereby achieving the trimming of the injection molded product. The first grinder 25 can be replaced according to the shape of the injection molded product, and the structure of the first grinder 25 is adapted to the injection molded product.

[0038] like Figure 2 , Figure 4 As shown, in order to adjust the position of the first trimming mechanism 2, a limiting rod 11 and a first adjusting screw 12 are arranged on the top of a certain vertical plate 1, and a limiting hole 22 and a threaded hole 23 are arranged on the first annular plate 21. The limiting rod 11 passes through the limiting hole 22, and the first adjusting screw 12 threadedly passes through the threaded hole 23. With the cooperation of the limiting rod 11 and the first adjusting screw 12, the first annular plate 21 can be stably placed relative to the vertical plate 1. By rotating the first adjusting screw 12, the first annular plate 21 can be controlled to move relative to the vertical plate 1, so that the first grinder 25 is placed to fit the injection molded product.

[0039] like Figure 1 , Figure 5 , Figure 7 As shown, in order to complete the grinding of the inner side of the injection molded product, a second trimming mechanism 3 is arranged on the outer side of the support shaft 4, and the second trimming mechanism 3 includes a trimming device 5 and a second grinder 6. The trimming device 5 includes a second annular plate 51, and a second support plate 53 is fixedly arranged on the side of the second annular plate 51. The second grinder 6 is connected to the second support plate 53. When the injection molded product is stably placed, the position of the second annular plate 51 is adjusted so that the second grinder 6 is placed in contact with the inner side of the injection molded product. During the high-speed rotation of the injection molded product, the second grinder 6 slides relative to the second grinder 6 to achieve the trimming of the injection molded product. The second grinder 6 can be replaced according to the shape of the injection molded product, and the structure of the second grinder 6 is adapted to the injection molded product. The structure of the grinder can be produced with reference to the injection molded product in actual production.

[0040] like Figure 6 , Figure 7As shown, in order to adjust the position of the second finishing mechanism 3, a fixed arc plate 52 and a clamping arc plate 54 are provided on the side of the second annular plate 51 away from the second grinder 6. The clamping arc plate 54 is connected and arranged on the fixed arc plate 52 by bolts. A driving column 55 is provided between the clamping arc plate 54 and the fixed arc plate 52. The driving column 55 is arranged in an annular structure, and an internal threaded tube is fixedly arranged on the inner side. A sliding hole 41 is provided on the support shaft 4, and a second adjusting screw 42 is provided on the inner side of the sliding hole 41. The driving column 55 is sleeved on the support shaft 4. The second adjusting screw 42 threadably penetrates the internal threaded tube. When the second adjusting screw 42 is rotated, the second annular plate 51 can be controlled to move relative to the support shaft 4, so that the second grinder 6 is placed in close contact with the injection molded product.

[0041] like Figure 8 As shown, in order to adapt to injection molded products of different sizes, a plug plate 57 is fixedly arranged on the second support plate 53, and a convex plate 59 is fixedly arranged on the second annular plate 51. A slot 58 is arranged on the side of the convex plate 59, and the end of the plug plate 57 is inserted into the slot 58; a motor is arranged on the side of the second support plate 53, and a threaded column 56 is arranged on the output shaft of the motor. The threaded column 56 is threaded through the convex plate 59. The rotation of the threaded column 56 is controlled by the motor operation, and the plug plate 57 can be controlled to move relative to the convex plate 59, thereby adjusting the position of the second support plate 53 relative to the second annular plate 51, and providing support for the sander to be placed against the side of the injection molded product. Similarly, the first support plate 24 and the first annular plate 21 can also be connected in the same manner as the second support plate 53 and the second annular plate 51.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An injection molding product trimming device, characterized in that: The invention comprises two vertical plates (1) which are relatively movable and arranged in parallel, wherein a support shaft (4) and a rotating shaft (17) are arranged through the tops of the two vertical plates (1), and one end of the rotating shaft (17) is connected to the output shaft of a motor; a first trimming mechanism (2) and a second trimming mechanism (3) are arranged on the side edges of the tops of the two vertical plates (1), wherein the first trimming mechanism (2) and the second trimming mechanism (3) are both movable relative to the vertical plates (1), and the first trimming mechanism (2) trims the outer side surface of the injection molded product, and the second trimming mechanism (3) trims the inner side surface of the injection molded product, and the support shaft (4) and the rotating shaft (17) are arranged through the first trimming mechanism (2) and the second trimming mechanism (3), respectively.

2. The device for trimming injection molded products according to claim 1, characterized in that: The lower ends of the two vertical plates (1) are each provided with a through hole (16), and a support plate (14) is provided through the through hole (16). A bottom plate (13) is connected between the two support plates (14), and a double-headed motor is provided above the bottom plate (13). The two output ends of the double-headed motor are respectively connected to threaded rods (15), and the threaded rods (15) are threadedly provided through the vertical plates (1).

3. The device for trimming injection molded products according to claim 2, characterized in that: The first finishing mechanism (2) comprises a first annular plate (21) and a first grinder (25); a first support plate (24) is arranged on the side of the first annular plate (21); a connecting rod (26) is arranged on the side of the first grinder (25); and the connecting rod (26) is connected to the first support plate (24).

4. The device for trimming injection molded products according to claim 3, characterized in that: A limiting rod (11) and a first adjusting screw (12) are arranged on the top of one of the vertical plates (1); a limiting hole (22) and a threaded hole (23) are arranged on the first annular plate (21); the limiting rod (11) passes through the limiting hole (22); and the first adjusting screw (12) is threadedly passed through the threaded hole (23).

5. The device for trimming injection molded products according to claim 3, characterized in that: The second trimming mechanism (3) comprises a trimming device (5) and a second grinder (6); the trimming device (5) comprises a second annular plate (51); a second support plate (53) is fixedly arranged on the side of the second annular plate (51); and the second grinder (6) is connected to the second support plate (53).

6. The device for trimming injection molded products according to claim 5, characterized in that: A fixed arc plate (52) and a clamping arc plate (54) are arranged on the side of the second annular plate (51) away from the second grinder (6); the clamping arc plate (54) is arranged on the fixed arc plate (52) by bolts; a driving column (55) is arranged between the clamping arc plate (54) and the fixed arc plate (52); and the driving column (55) is sleeved on the support shaft (4).

7. The device for trimming injection molded products according to claim 6, characterized in that: The support shaft (4) is provided with a sliding hole (41), the inner side of the sliding hole (41) is provided with a second adjusting screw (42), and the second adjusting screw (42) is threadedly penetrated through the middle part of the driving column (55); an end plate (43) is provided at the end of the support shaft (4) through a bearing connecting sleeve.

8. The device for trimming injection molded products according to claim 5, characterized in that: The second support plate (53) is fixedly provided with an insert plate (57), the second annular plate (51) is fixedly provided with a convex plate (59), the side of the convex plate (59) is provided with a slot (58), and the end of the insert plate (57) is inserted into the slot (58); a motor is provided on the side of the second support plate (53), the output shaft of the motor is provided with a threaded column (56), and the threaded column (56) is threadedly provided through the convex plate (59); the first support plate (24) can also be adjusted relative to the first annular plate (21).

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